/*******************************************************************************
 * Copyright (c) 2012 March and Conquest.
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package mrusanov.towers.resources;

public class PlayerResources extends ResourceBase {

	public void payResourceCost(ResourceCost resourceCost) {
		if (!canPayResourceCost(resourceCost)) {
			throw new IllegalArgumentException("Unable to pay resource cost " + resourceCost.toString()
					+ " because have only following resources: " + toString());
		}

		bricks -= resourceCost.getBricks();
		gems -= resourceCost.getGems();
		beasts -= resourceCost.getBeasts();
	}

	public boolean canPayResourceCost(ResourceCost resourceCost) {
		return bricks >= resourceCost.getBricks() && gems >= resourceCost.getGems()
				&& beasts >= resourceCost.getBeasts();
	}

	@Override
	public String toString() {
		return "PlayerResources [bricks=" + bricks + ", gems=" + gems + ", beasts=" + beasts + "]";
	}

}
